diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/ManagedInstances.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/ManagedInstances.json
index 758ab9e1b32d..84c7e9cb35ab 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/ManagedInstances.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/ManagedInstances.json
@@ -969,7 +969,7 @@
       ],
       "properties": {
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "The Azure Active Directory identity of the managed instance.",
           "x-ms-mutability": [
             "read",
@@ -996,7 +996,7 @@
           "description": "Managed instance sku"
         },
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "Managed instance identity"
         },
         "properties": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/Servers.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/Servers.json
index aa4e10279057..b99f6785495b 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/Servers.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2020-11-01-preview/Servers.json
@@ -736,7 +736,7 @@
       ],
       "properties": {
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "The Azure Active Directory identity of the server.",
           "x-ms-mutability": [
             "read",
@@ -760,7 +760,7 @@
       "type": "object",
       "properties": {
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "Server identity"
         },
         "properties": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/ManagedInstances.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/ManagedInstances.json
index 934a8280c2c7..1321783eb9dc 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/ManagedInstances.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/ManagedInstances.json
@@ -978,7 +978,7 @@
       ],
       "properties": {
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "The Azure Active Directory identity of the managed instance.",
           "x-ms-mutability": [
             "read",
@@ -1005,7 +1005,7 @@
           "description": "Managed instance sku"
         },
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "Managed instance identity"
         },
         "properties": {
diff --git a/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/Servers.json b/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/Servers.json
index a54f852ae472..4e8657f0cdc8 100644
--- a/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/Servers.json
+++ b/specification/sql/resource-manager/Microsoft.Sql/preview/2021-02-01-preview/Servers.json
@@ -749,7 +749,7 @@
       ],
       "properties": {
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "The Azure Active Directory identity of the server.",
           "x-ms-mutability": [
             "read",
@@ -773,7 +773,7 @@
       "type": "object",
       "properties": {
         "identity": {
-          "$ref": "#/definitions/ResourceIdentityWithUserAssignedIdentities",
+          "$ref": "../../../common/v2/types.json#/definitions/ResourceIdentity",
           "description": "Server identity"
         },
         "properties": {
diff --git a/specification/sql/resource-manager/common/v2/types.json b/specification/sql/resource-manager/common/v2/types.json
new file mode 100644
index 000000000000..9cd1182902d7
--- /dev/null
+++ b/specification/sql/resource-manager/common/v2/types.json
@@ -0,0 +1,66 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "version": "v2",
+    "title": "Common types"
+  },
+  "paths": {},
+  "definitions": {
+    "UserIdentity": {
+      "description": "Azure Active Directory identity configuration for a resource.",
+      "type": "object",
+      "properties": {
+        "principalId": {
+          "format": "uuid",
+          "description": "The Azure Active Directory principal id.",
+          "type": "string",
+          "readOnly": true
+        },
+        "clientId": {
+          "format": "uuid",
+          "description": "The Azure Active Directory client id.",
+          "type": "string",
+          "readOnly": true
+        }
+      }
+    },
+    "ResourceIdentity": {
+      "description": "Azure Active Directory identity configuration for a resource.",
+      "type": "object",
+      "properties": {
+        "userAssignedIdentities": {
+          "description": "The resource ids of the user assigned identities to use",
+          "type": "object",
+          "additionalProperties": {
+            "$ref": "#/definitions/UserIdentity"
+          }
+        },
+        "principalId": {
+          "format": "uuid",
+          "description": "The Azure Active Directory principal id.",
+          "type": "string",
+          "readOnly": true
+        },
+        "type": {
+          "description": "The identity type. Set this to 'SystemAssigned' in order to automatically create and assign an Azure Active Directory principal for the resource.",
+          "enum": [
+            "None",
+            "SystemAssigned",
+            "UserAssigned"
+          ],
+          "type": "string",
+          "x-ms-enum": {
+            "name": "IdentityType",
+            "modelAsString": true
+          }
+        },
+        "tenantId": {
+          "format": "uuid",
+          "description": "The Azure Active Directory tenant id.",
+          "type": "string",
+          "readOnly": true
+        }
+      }
+    }
+  }
+}